资料来源 : pyDict

打瞌睡

资料来源 : WordNet®

drowse off
     v : change from a waking to a sleeping state; "he always falls
         asleep during lectures" [syn: {fall asleep}, {dope off},
         {flake out}, {drift off}, {nod off}, {drop off}, {doze
         off}] [ant: {wake up}]